| Date | IP Address |
| 2024-12-26 | 52.205.89.16 (ClassC) |
| 2024-12-29 | 107.20.22.218 (ClassC) |
| 2025-02-03 | 54.242.77.1 (ClassC) |
| 2025-03-20 | 35.173.86.108 (ClassC) |
| 2025-05-08 | 35.173.16.43 (ClassC) |
| 2025-05-22 | 52.201.162.236 (ClassC) |
| 2025-05-29 | 52.6.122.164 (ClassC) |
| 2025-06-05 | 3.212.246.228 (ClassC) |
| 2025-06-12 | 44.195.51.212 (ClassC) |
| 2025-06-19 | 54.235.153.242 (ClassC) |
| 2025-06-25 | 34.196.20.18 (ClassC) |
| 2025-06-28 | 34.231.80.255 (ClassC) |
| 2025-07-09 | 3.90.121.22 (ClassC) |
| 2025-07-23 | 54.166.109.88 (ClassC) |
| 2025-07-30 | 50.17.4.59 (ClassC) |
| 2025-08-05 | 3.226.17.117 (ClassC) |
| 2025-08-19 | 52.55.220.52 (ClassC) |
| 2025-09-01 | 52.87.1.171 (ClassC) |
| 2025-09-10 | 54.85.104.83 (ClassC) |
| 2025-09-30 | 35.171.66.217 (ClassC) |
| 2025-10-14 | 23.20.196.80 (ClassC) |
| 2025-10-17 | 54.89.78.63 (ClassC) |
| Date | Domain | IP |
| ns1.nsf.gov | 2025-08-31 | 128.150.2.55 |
| ns2.nsf.gov | 2025-09-13 | 128.150.2.56 |
| www-legacy-f5.nsf.gov | 2025-10-17 | 128.150.221.244 |
| iucrc.nsf.gov | 2024-02-13 | 18.65.229.93 |
| seedfund.nsf.gov | 2025-03-20 | 3.163.165.87 |
| dasserviceportalnonprod.nsf.gov | 2024-12-26 | 52.205.89.16 |
| search.nsf.gov | 2024-11-25 | 107.23.146.145 |
| dasserviceportal.nsf.gov | 2025-01-13 | 44.219.124.169 |
| paesmem.nsf.gov | 2024-06-03 | 54.91.48.180 |
| demo.paesmem.nsf.gov | 2024-06-03 | 44.199.2.37 |
| edocs.epscor.nsf.gov | 2024-06-03 | 3.220.32.222 |
| demo-edocs.epscor.nsf.gov | 2024-04-12 | 3.224.71.117 |
| nsf-gov-resources.nsf.gov | 2024-09-15 | 204.246.191.60 |
| beta-resources.test.nsf.gov | 2025-10-15 | 18.161.6.25 |
| demo.paemst.nsf.gov | 2024-02-21 | 52.3.27.222 |
| new.nsf.gov | 2025-07-17 | 128.150.221.241 |
| www.nsf.gov | 2024-12-24 | 128.150.221.106 |